TouchEngine Plugin for Unreal Engine - Beta Release - General TouchDesigner Discussion - TouchDesigner forum
Unreal Engine: OptiTrack Live Link Plugin - OptiTrack Documentation
GitHub - getnamo/leap-ue4: Leap Motion plugin for Unreal Engine 4
GitHub - ProjectBorealis/UEGitPlugin: Unreal Engine Git Source Control Plugin (refactored)
GitHub - AleDel/Spout-UE4: Spout Plugin for Unreal Engine
4.7p5 Error messages from Git plugin submission - Getting Started & Setup - Epic Developer Community Forums
SkookumScript UE4 Plugin installation and setup - SkookumScript
Jonas Reich - Tools
Git Central in Code Plugins - UE Marketplace
GitHub - leonardodesigner/Portal-System-Plugin-for-UE4: Portal system plugin fully created in c++ for UE4 and can be used in any project without c++ knowledge!